Lesson 1Door/window contact types (reed, surface, recessed) and placement best practicesDis cover reed, surface, and recessed door and window contacts, including wiring, gap tolerances, and magnet alignment. E emphasize placement to avoid false alarms, tampering, and damage during normal door and window operation wey people do.
Reed switch operation and ratingsSurface vs recessed contact selectionGap spacing, alignment, and tolerancesWiring methods and EOL resistor usePlacement to reduce damage and tamperingTesting contacts during door operationLesson 2Siren/strobe types, decibel ratings, indoor vs outdoor placementDis review siren and strobe device types, decibel ratings, and tone characteristics. E explain indoor versus outdoor placement, wiring, and power budgeting, plus code and neighbor considerations for sound levels and duration wey fit disturb.
Piezo vs mechanical siren designsDecibel ratings and tone frequencyIndoor siren placement strategiesOutdoor siren and strobe positioningCurrent draw and power calculationsCode limits on sound level and durationLesson 3Keypad and mobile app interfaces, indicators, and user feedbackDis describe keypad and mobile app interfaces, including display types, indicator lights, and audible feedback. E cover user codes, arming modes, and how interface design support usability, training, and error reduction for people wey dey use am.
Fixed vs alphanumeric keypad displaysLED indicators and status meaningsAudible beeps, chimes, and voice promptsMobile app control and notificationsUser codes, authority levels, and duressDesigning simple user flows and promptsLesson 4Glass-break sensors: acoustic vs shock, mounting and sensitivity settingsDis detail acoustic and shock glass-break technologies, coverage patterns, and mounting rules. E explain sensitivity settings, environmental limitations, and testing methods to reduce missed breaks and nuisance alarms wey no need.
Acoustic sensor principles and rangesShock sensor operation and mountingSelecting locations by glass typeSensitivity levels and dip switch setupEnvironmental noise and false alarm controlFunctional testing with glass-break testersLesson 5Environmental sensors and optional devices (smoke, CO, freeze, garage, panic)Dis cover smoke, CO, heat, freeze, water, garage, and panic devices wey dem use with alarm systems. E explain placement, wiring or enrollment, and reporting types, plus integration with life safety and insurance requirements wey important.
Smoke and heat detector integrationCarbon monoxide detector placementFreeze and water leak sensor usesGarage door and tilt sensor optionsPanic, medical, and hold-up devicesLabeling and priority of life-safety zonesLesson 6Control panel features and processor/firmware basicsDis introduce control panel hardware, processors, and firmware roles in system operation. E cover memory, zone capacity, communication buses, and firmware updates, emphasizing stability, security, and feature planning wey go last.
Main board layout and terminal functionsProcessor, memory, and speed basicsZone capacity and expansion modulesKeypad and device bus architecturesFirmware versions and change logsSafe firmware update proceduresLesson 7Wiring vs wireless tradeoffs, zones per loop, supervised vs non‑supervised devicesDis compare wired and wireless devices, including reliability, labor, and cost tradeoffs. E explain zones per loop, addressing, and supervised versus non-supervised circuits, with guidance on when each approach dey appropriate.
Advantages of wired device circuitsWireless sensors, batteries, and rangeZones per loop and point identificationSeries, parallel, and EOL supervisionNon-supervised circuits and risksChoosing wiring vs wireless by projectLesson 8Power architecture: AC power, backup battery sizing, battery chemistry and maintenanceDis detail AC power sources, transformer sizing, and wiring practices. E explain backup battery chemistry, capacity, and maintenance, including testing, replacement intervals, and environmental factors dat affect lifespan.
AC source, transformer, and voltage dropAuxiliary power outputs and limitsBattery chemistry types and pros/consBattery capacity, load, and deratingRoutine battery testing proceduresStorage temperature and lifespan effectsLesson 9Motion detectors: PIR, dual-tech, pet immunity, mounting heights and coverageDis explore PIR and dual-tech motion detectors, coverage patterns, and mounting heights. E discuss pet immunity, environmental factors, and walk testing to balance detection performance with false alarm reduction.
PIR sensing principles and opticsDual-tech PIR and microwave operationMounting heights and angle selectionPet immunity ratings and limitationsAvoiding HVAC and sunlight interferenceWalk testing and coverage verificationLesson 10Communication modules: cellular, IP (Ethernet/Wi‑Fi), dual-path and supervisionDis explore cellular, IP, and dual-path communicators, including path priority, encryption, and supervision intervals. E focus on reliability, carrier and network selection, and how to meet monitoring and code requirements.
Cellular communicator types and bandsIP over Ethernet and Wi‑Fi modulesDual-path routing and failover logicSupervision intervals and test signalsEncryption, APN, and firewall settingsCarrier selection and signal strength testsLesson 11Backup power configurations: tamper and low‑battery reportingDis explain backup power design, including battery sizing, charger limits, and runtime calculations. E detail tamper switches, cabinet protection, and low-battery reporting to ensure the system remain secure during outages.
Battery capacity and runtime estimatesCharger current and load calculationsPanel and enclosure tamper switchesLow-battery thresholds and reportingTesting under AC fail conditionsService intervals and battery replacement
